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Minerals
Gemstones
Glossary
Minerals
Gemstones
Glossary
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Minerals
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Diamond
›
Carbonado
Variety of Diamond
Carbonado
Dark gray to black
opaque
Diamond
that exhibits no
cleavage
and has a
specific gravity
of 3.1-3.3.
External reference →
See the full
Diamond
page for properties, photos, and additional varieties.